Shock location and CME 3D reconstruction of a solar type II radio burst with LOFAR
Pietro Zucca,Diana E. Morosan,A. P. Rouillard,Richard Fallows,Peter T. Gallagher,Jasmina Magdalenic,Karl-Ludwig Klein,Gottfried Mann,Christian Vocks,Eoin P. Carley,Mario M. Bisi,Eduard P. Kontar,Hanna Rothkaehl,Bartosz Dabrowski,Andrzej Krankowski,J. M. Anderson,Ashish Asgekar,Ashish Asgekar,Martin Bell,Mark J. Bentum,Mark J. Bentum,Philip Best,R. Blaauw,F. Breitling,J. W. Broderick,W. N. Brouw,W. N. Brouw,Marcus Brüggen,Harvey Butcher,B. Ciardi,E. de Geus,Adam T. Deller,Adam T. Deller,S. Duscha,Jochen Eislöffel,M. A. Garrett,M. A. Garrett,Jean-Mathias Grießmeier,A. W. Gunst,George Heald,George Heald,Matthias Hoeft,Jörg R. Hörandel,Marco Iacobelli,E. Juette,Aris Karastergiou,J. van Leeuwen,J. van Leeuwen,D. McKay-Bukowski,Henk Mulder,H. Munk,H. Munk,Anna Nelles,Emanuela Orru,H. Paas,V. N. Pandey,V. N. Pandey,R. Pekal,R. Pizzo,A. G. Polatidis,Wolfgang Reich,Antonia Rowlinson,Dominik J. Schwarz,Aleksandar Shulevski,J. Sluman,Oleg Smirnov,Charlotte Sobey,Marian Soida,Satyendra Thoudam,M. C. Toribio,M. C. Toribio,R. Vermeulen,R. J. van Weeren,Olaf Wucknitz,P. Zarka +74 more
TLDR
In this article, the authors studied a coronal shock associated with a CME and type II radio burst to determine the locations at which the radio emission is generated, and investigated the origin of the band-splitting phenomenon.Abstract:
Type II radio bursts are evidence of shocks in the solar atmosphere and inner heliosphere that emit radio waves ranging from sub-meter to kilometer lengths. These shocks may be associated with CMEs and reach speeds higher than the local magnetosonic speed. Radio imaging of decameter wavelengths (20-90 MHz) is now possible with LOFAR, opening a new radio window in which to study coronal shocks that leave the inner solar corona and enter the interplanetary medium and to understand their association with CMEs. To this end, we study a coronal shock associated with a CME and type II radio burst to determine the locations at which the radio emission is generated, and we investigate the origin of the band-splitting phenomenon.read more
Citations
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Journal ArticleDOI
CME-driven Shock and Type II Solar Radio Burst Band Splitting
TL;DR: In this article, a detailed imaging and spectroscopic observation of a CME-driven shock producing band splitting in a Type II burst is presented, which is consistent with radio-wave scattering of plasma radio emission from a single region, implying that the split-band Type II sources could originate from nearly cospatial locations.
Journal ArticleDOI
ICME Evolution in the Inner Heliosphere
TL;DR: In this paper, the authors provide an updated synthesis of research results in this still active area of heliophysics at the dawn of the Parker Solar Probe (PSP) and Solar Orbiter (SO) mission era.
Journal ArticleDOI
Geometry, Kinematics, and Heliospheric Impact of a Large CME-driven Shock in 2017 September
Ying Liu,Bei Zhu,Xiaowei Zhao +2 more
TL;DR: In this article, the authors obtained new insights concerning the geometry and kinematics of CME-driven shocks in relation to their heliospheric impacts from the optimal, multi-spacecraft observations of the eruption.
Journal ArticleDOI
Comprehensive Analysis of the Formation of a Shock Wave Associated with a Coronal Mass Ejection
Journal ArticleDOI
Radio Observations of Coronal Mass Ejections: Space Weather Aspects
TL;DR: In this article, the role of radio observations in predicting or presaging an eruption, in capturing the formation stages of the CME, and in following the evolution in the corona and heliosphere is discussed.
References
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Journal ArticleDOI
The Murchison widefield array: The square kilometre array precursor at low radio frequencies
Steven Tingay,Robert F. Goeke,Judd D. Bowman,David Emrich,Stephen M. Ord,Daniel A. Mitchell,Miguel F. Morales,T. Booler,Brian Crosse,Randall B. Wayth,Colin J. Lonsdale,S. E. Tremblay,D. Pallot,T. Colegate,Andreas Wicenec,Nadia Kudryavtseva,W. Arcus,David G. Barnes,Gianni Bernardi,Frank H. Briggs,S. Burns,John D. Bunton,Roger J. Cappallo,Brian E. Corey,Avinash A. Deshpande,Ludi deSouza,Bryan Gaensler,Lincoln J. Greenhill,Peter J. Hall,Bryna J. Hazelton,David Herne,Jacqueline N. Hewitt,Melanie Johnston-Hollitt,David L. Kaplan,Justin C. Kasper,B. B. Kincaid,R. Koenig,Eric Kratzenberg,Mervyn J. Lynch,Benjamin McKinley,Stephen R. McWhirter,Edward H. Morgan,Divya Oberoi,Joseph Pathikulangara,Thiagaraj Prabu,Ron Remillard,Alan E. E. Rogers,A. Roshi,Joseph E. Salah,Robert J. Sault,N. Udaya-Shankar,F. Schlagenhaufer,K. S. Srivani,Jamie Stevens,Ravi Subrahmanyan,M. Waterson,Rachel L. Webster,Alan R. Whitney,Andrew Williams,Christopher L. Williams,J. S. B. Wyithe +60 more
TL;DR: The Murchison Widefield Array (MWA) as discussed by the authors is one of three Square Kilometre Array Precursor telescopes and is located at the MUR-astronomy Observatory in Western Australia, a location chosen for its extremely low levels of radio frequency interference.